McVitie Weston valve collection, Rogers valve, type V.R.54
Rogers valve, type V.R.54, marked 6.3 10E/11400, (RMW/Y473 - McVitie Weston number), by Unknown maker.
Rogers valve, type V.R.54, marked 6.3 10E/11400, (RMW/Y473 - McVitie Weston number), by Unknown maker.